σύγκοιτις
From LSJ
τὸ δὲ ποιεῖν ἄνευ νοῦ ἃ δοκεῖ καὶ σὺ ὁμολογεῖς κακὸν εἶναι: ἢ οὔ → but doing what one thinks fit without intelligence is—as you yourself admit, do you not?—an evil
English (LSJ)
ιδος, pecul. fem. of sq., Gloss.
German (Pape)
[Seite 968] ιδος, ἡ, bes. fem. zu συγκοιτος, VLL.
Greek (Liddell-Scott)
σύγκοιτις: -ιδος, ἡ ἰδιότυπον θηλ. τοῦ ἑπομ., Γλωσσ.